*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0a0a;
  --s1: #111111;
  --s2: #181818;
  --s3: #202020;
  --s4: #2a2a2a;
  --border: rgba(255, 255, 255, 0.07);
  --border2: rgba(255, 255, 255, 0.12);
  --text: #f0f0ee;
  --muted: #666;
  --muted2: #444;
  --accent: #b5f23d;
  --accent-dim: rgba(181, 242, 61, 0.12);
  --accent-dim2: rgba(181, 242, 61, 0.06);
  --red: #ff5c3a;
  --blue: #3d8ff2;
  --mono: "DM Mono", monospace;
  --display: "Syne", sans-serif;
}

html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  line-height: 1.6;
  overflow-x: hidden;
}

/* NOISE TEXTURE OVERLAY */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  background: rgba(10, 10, 10, 0.72);
  border-bottom: 0.5px solid var(--border);
  backdrop-filter: blur(12px);
  padding: 0px 30px;
  border-radius: 0;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 25px;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}
.nav-logo-mark {
  width: 33px;
  height: 33px;
  border-radius: 7px;
  background: var(--accent);
  color: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 800;
}

.nav-logo-mark > img {
  padding: 3px;
  height: 100%;
  width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover {
  color: var(--text);
}
.contributors-facepile {
  display: flex;
  align-items: center;
  padding-left: 8px;
}
.contributors-facepile a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  box-shadow: 0 0 0 2px #0a0a0a;
  overflow: hidden;
  margin-left: -8px;
  position: relative;
  background: var(--s2);
  transition: transform 0.2s, z-index 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.contributors-facepile a:hover {
  transform: translateY(-2px);
  z-index: 20 !important;
  border-color: #ffffff;
}
.contributors-facepile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.nav-cta {
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 7px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.nav-cta:hover {
  opacity: 0.85;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 6rem;
  position: relative;
  text-align: center;
}
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(
    ellipse at center,
    rgba(181, 242, 61, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--s2);
  border: 0.5px solid var(--border2);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 2rem;
  animation: fadeUp 0.6s ease both;
}
.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.hero-title {
  font-family: var(--display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero-title span {
  color: var(--accent);
  font-size: 70px;
}

.hero-sub {
  font-size: clamp(14px, 2vw, 17px);
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
  margin: 0 auto 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4rem;
  animation: fadeUp 0.6s 0.3s ease both;
}
.btn-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  padding: 11px 22px;
  border-radius: 9px;
  text-decoration: none;
  transition:
    opacity 0.15s,
    transform 0.15s;
}
.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
.btn-secondary {
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  border: 0.5px solid var(--border2);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  padding: 11px 22px;
  border-radius: 9px;
  text-decoration: none;
  transition:
    border-color 0.15s,
    background 0.15s;
}
.btn-secondary:hover {
  background: var(--s2);
  border-color: var(--border2);
}
.btn-icon {
  font-size: 15px;
}

/* HERO MOCKUP */
.hero-mockup {
  width: 100%;
  max-width: 680px;
  background: var(--s1);
  border: 0.5px solid var(--border2);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 40px 120px rgba(0, 0, 0, 0.6),
    0 0 0 0.5px var(--border);
  animation: fadeUp 0.8s 0.4s ease both;
}
.mockup-bar {
  background: var(--s2);
  border-bottom: 0.5px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mockup-dots {
  display: flex;
  gap: 6px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-r {
  background: #ff5f57;
}
.dot-y {
  background: #febc2e;
}
.dot-g {
  background: #28c840;
}
.mockup-url {
  flex: 1;
  background: var(--s3);
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 10px;
  color: var(--muted);
  text-align: center;
}
.mockup-body {
  padding: 20px;
}

/* FAKE VIDEO PAGE */
.fake-video {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.video-player {
  background: var(--s3);
  border-radius: 10px;
  aspect-ratio: 16/7;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.video-thumb-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  opacity: 0.8;
}
.video-play-icon {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  backdrop-filter: blur(4px);
}
.video-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
}
.video-progress-fill {
  height: 3px;
  background: var(--red);
  width: 35%;
}

.action-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.yt-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--s3);
  border: 0.5px solid var(--border);
  border-radius: 100px;
  padding: 6px 12px;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
}
.yt-btn-icon {
  font-size: 12px;
}

/* THE FERRY BUTTON - HERO ELEMENT */
.ferry-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  border: 0.5px solid rgba(181, 242, 61, 0.3);
  border-radius: 100px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  position: relative;
  animation: ferryGlow 3s ease infinite;
}
@keyframes ferryGlow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(181, 242, 61, 0);
  }
  50% {
    box-shadow: 0 0 12px rgba(181, 242, 61, 0.2);
  }
}
.ferry-logo-sm {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  /* background: var(--accent); */
  color: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 800;
  font-family: var(--display);
}

.ferry-logo-sm > img{
  height: 100%;
  width: 100%;
  padding: 5%;
  filter: invert(86%) sepia(29%) saturate(1478%) hue-rotate(27deg) brightness(105%) contrast(93%);

}


/* POPUP OVERLAY ON MOCKUP */
.popup-wrapper {
  position: relative;
  margin-top: -4px;
}
.popup {
  background: var(--s1);
  border: 0.5px solid var(--border2);
  border-radius: 12px;
  padding: 16px;
  width: 260px;
  margin-left: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.popup-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.popup-title {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
}
.popup-close {
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
}
.popup-tabs {
  display: flex;
  gap: 3px;
  background: var(--s2);
  border-radius: 7px;
  padding: 3px;
  margin-bottom: 12px;
}
.ptab {
  flex: 1;
  padding: 5px;
  border-radius: 5px;
  font-size: 10px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
}
.ptab.on {
  background: var(--s3);
  color: var(--text);
}
.q-label {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.q-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 9px;
  border-radius: 6px;
  font-size: 10px;
  margin-bottom: 2px;
  cursor: pointer;
}
.q-item.sel {
  background: var(--accent-dim);
  border: 0.5px solid rgba(181, 242, 61, 0.25);
  color: var(--text);
}
.q-item:not(.sel) {
  color: var(--muted);
}
.q-check {
  color: var(--accent);
  font-size: 11px;
}
.q-sz {
  font-size: 9px;
  color: var(--muted);
}
.dl-button {
  width: 100%;
  margin-top: 10px;
  padding: 9px;
  background: var(--accent);
  color: #0a0a0a;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* SECTION LAYOUT */
section {
  padding: 6rem 2rem;
  position: relative;
  z-index: 1;
}
.container {
  max-width: 1040px;
  margin: 0 auto;
}
.section-label {
  font-size: 16px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--display);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

#problem-label{
  color: var(--red);

}

.section-title {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.section-sub {
  font-size: 14px;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
}

/* PROBLEM SECTION */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 3rem;
}
.problem-card {
  background: var(--s1);
  padding: 2rem;
  position: relative;
}
.problem-num {
  font-family: var(--display);
  font-size: 48px;
  font-weight: 800;
  color: var(--s3);
  line-height: 1;
  margin-bottom: 1rem;
}
.problem-title {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.problem-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.problem-strike {
  text-decoration: line-through;
  color: var(--red);
  opacity: 50%;
}

/* HOW IT WORKS */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  margin-top: 3rem;
  position: relative;
}
.flow-step {
  padding: 2rem 1.5rem;
  border-right: 0.5px solid var(--border);
  position: relative;
}
.flow-step:last-child {
  border-right: none;
}
.step-num {
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.step-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: var(--s2);
  border: 0.5px solid var(--border2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 1rem;
}
.step-title {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.step-text {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.flow-arrow {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 14px;
  z-index: 1;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 3rem;
}
.feature-card {
  background: var(--s1);
  border: 0.5px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.feature-card:hover {
  border-color: var(--border2);
  background: var(--s2);
}
.feat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 1rem;
}
.feat-title {
  font-family: var(--display);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.feat-text {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* TECH STRIP */
.tech-strip {
  background: var(--s1);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  padding: 2rem;
  overflow: hidden;
}
.tech-inner {
  display: flex;
  gap: 3rem;
  align-items: center;
  animation: scroll 20s linear infinite;
  white-space: nowrap;
}
@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
.tech-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  flex-shrink: 0;
}
.tech-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--muted2);
}

/* INSTALL SECTION */
.install-box {
  background: var(--s1);
  border: 0.5px solid var(--border2);
  border-radius: 16px;
  padding: 2.5rem;
  margin-top: 3rem;
}
.install-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.install-step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 0.5px solid var(--border);
}
.install-step:last-child {
  border-bottom: none;
}
.step-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 0.5px solid rgba(181, 242, 61, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}
.install-title {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
}
.install-sub {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}
.code-chip {
  display: inline-block;
  background: var(--s3);
  border: 0.5px solid var(--border2);
  border-radius: 5px;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  margin-top: 6px;
}
.gatekeeper-note {
  background: rgba(181, 242, 61, 0.05);
  border: 0.5px solid rgba(181, 242, 61, 0.15);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 11px;
  color: var(--muted);
  margin-top: 1.5rem;
  line-height: 1.7;
}
.gatekeeper-note code {
  background: var(--s3);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
  color: var(--accent);
}

/* STATS ROW */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 0.5px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 3rem;
}
.stat-cell {
  background: var(--s1);
  padding: 1.75rem;
  text-align: center;
}
.stat-num {
  font-family: var(--display);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
}

/* OPEN SOURCE */
.os-block {
  background: var(--s1);
  border: 0.5px solid var(--border2);
  border-radius: 16px;
  padding: 2.5rem;
  margin-top: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.os-left {
  flex: 1;
  min-width: 220px;
}
.os-title {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.os-sub {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.os-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.badge {
  background: var(--s3);
  border: 0.5px solid var(--border2);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 10px;
  color: var(--muted);
  font-family: var(--mono);
}
.badge-accent {
  background: var(--accent-dim);
  border-color: rgba(181, 242, 61, 0.3);
  color: var(--accent);
}
.github-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--s2);
  border: 0.5px solid var(--border2);
  border-radius: 9px;
  padding: 11px 20px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  transition:
    background 0.15s,
    border-color 0.15s;
  white-space: nowrap;
}
.github-btn:hover {
  background: var(--s3);
  border-color: var(--border2);
}

/* CTA FINAL */
.cta-section {
  text-align: center;
  padding: 10rem 2rem;
  position: relative;
}
.cta-glow {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(
    ellipse at center,
    rgba(181, 242, 61, 0.07) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.cta-title {
  font-family: var(--display);
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.cta-sub {
  font-size: 14px;
  color: var(--muted);
  max-width: 440px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.platform-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.platform-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--s1);
  border: 0.5px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 11px;
  color: var(--muted);
}
.platform-active {
  border-color: rgba(181, 242, 61, 0.3);
  background: var(--accent-dim);
  color: var(--accent);
}
.platform-beta {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.03);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.05);
  color: var(--text);
}
.platform-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

/* FOOTER */
footer {
  border-top: 0.5px solid var(--border);
  padding: 2rem 4%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 3%;
}
.footer-logo {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-decoration: none;
}

.footer-logo > .ferry-logo-sm{
  height: 100%;
  width: 100%;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  font-size: 11px;
  color: var(--muted2);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--muted);
}

/* PROGRESS ANIMATION ON MOCKUP */
.prog-track {
  height: 2px;
  background: var(--s4);
  border-radius: 1px;
  margin-top: 8px;
}
.prog-fill {
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  width: 0%;
  animation: loadProg 3s 1.5s ease forwards;
}
@keyframes loadProg {
  to {
    width: 68%;
  }
}

/* RESPONSIVE */
@media (max-width: 640px) {
  nav {
    padding: 0 1rem;
  }
  .nav-links {
    display: none;
  }
  section {
    padding: 4rem 1.25rem;
  }
  .flow {
    grid-template-columns: 1fr;
  }
  .flow-step {
    border-right: none;
    border-bottom: 0.5px solid var(--border);
  }
  .flow-step:last-child {
    border-bottom: none;
  }
  .os-block {
    flex-direction: column;
  }
  .popup {
    width: 100%;
    max-width: 260px;
  }
}